A brief introduction will give some idea about what will happen on this process and it may save user's time and effort. So, if you expect that not all users will be totally clear on what the settings do, add an introduction with a screen.
❌ Figure: Bad Example - This screen has no product introduction... The user is thinking ‘What is this going to do?’
✅ Figure: Good Example - This screen has product information before the settings... With a screen capture of where it ends up